Hi, Bob.
 
BW>Was trying to remember the "Wasatch Range" in last message but couldn't. 
Sti
BW>wouldn't be as big a territory that the Challenger can go. Just try to
BW>visualize 1 more driver on each engine and you'll have a "BIG BOY". :) (I 
kn
BW>still not the same).
 
Not a problem for the Big Boys to work themselves through the Wasatch.
They're nothing more than a pair of Northern-class engines tied to a
single frame, albeit with a pivot point under the front section of the
boiler for the first set of four drivers.
 
 
BW>Think I've got that but I remember seeing the smaller engines of 'Frisco' 
pu
BW>100+ cars when I was growing up beside the Springfield-Memphis mainline.
 
Recall that just west of the Cheyenne freight yard, the U.P.'s main
starts up a grade on its way to the summit of Sherman Hill, something
like 25 miles west of Cheyenne?  What the U.P. did with their large
engines was to stop for water some part of the way up Sherman, including
cutting off the lead engine on a two-engine "lead" at the front of
trains, and stop to allow any helper on the rear to water up, too.
Imagine the fun of having to spot two or three Challengers or Big Boys
under the water tank each and every trip over that hill!?  Not quite
like parking one's car at the gas station pump.
 
BW>It is mentioned in several movies I have that "The BigBoy could pull a 
train
BW>miles long on level track". Would love to have seen that! And I believe 
that
BW>would be more than 100 cars, right?
 
Given something on the order of 4,000 horsepower in each of the Big
Boys, highly likely. Not too shabby for a museum piece! 
 
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